Richard W. Hu

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STUDY DESIGN Population-based survey. OBJECTIVES To assess the back pain beliefs in 2 provinces in Canada to inform a population-based educational campaign. SUMMARY OF BACKGROUND DATA Beliefs, attitudes, and recovery expectations appear to influence recovery from back pain, yet prevailing public opinions about the condition have been little studied. (More)
OBJECTIVE To determine the end result of patients who underwent delayed fasciotomy, i.e., more than 35 hours for an established lower limb compartment syndrome. DESIGN A retrospective review of patients undergoing delayed treatment for a closed injury of the lower extremity, where fasciotomy should ideally have been performed earlier. MATERIALS AND(More)
STUDY DESIGN Insertion torque and pull-out strengths of conical and cylindrical pedicle screws were compared in human cadaveric vertebral bodies. OBJECTIVES To compare the performance of the conical design with the cylindrical design, and to determine whether insertional torque correlates with pull-out strength. SUMMARY OF BACKGROUND DATA A tapered(More)
Upper extremity injuries are commonly seen in the sport of in-line skating. The use of protective equipment, including wrist splints, has been advocated as a means to decrease both the incidence and severity of upper extremity injuries in this sport. We report on four cases of open forearm fractures in the in-line skaters that occurred adjacent to the(More)
STUDY DESIGN Longitudinal follow-up study of back surgery reoperations using an administrative database. OBJECTIVES To identify population-based rates and factors that determine the need for reoperation after back surgery. SUMMARY OF BACKGROUND DATA Reoperation after lumbar surgery has poorer results than the initial surgery, yet the population-based(More)
OBJECTIVE To test the hypothesis that complication rates for elective total hip replacement operations are related to surgeon and hospital volumes. DESIGN Retrospective population cohort study. STUDY COHORT: Patients who had undergone elective total hip replacement in Ontario during 1992 as captured in the Canadian Institute for Health Information(More)
STUDY DESIGN In vitro assessment of accuracy and reliability of frameless stereotaxis for insertion of pedicle screws in human cadaveric lumbar spine. OBJECTIVES To assess a new method of targeting and placing pedicle screws in a human cadaver study. SUMMARY OF BACKGROUND DATA Pedicle screw instrumentation is common. Complications may occur from(More)
BACKGROUND CONTEXT Owing to mobility limitations, people with lumbar spinal stenosis (LSS) are at risk for diseases of inactivity, including obesity. Therefore, weight management in LSS is critical. Body mass index is the strongest predictor of function in LSS, suggesting that weight loss may promote physical activity and provide a unique treatment option.(More)
STUDY DESIGN Delphi. OBJECTIVE The aim of this study was to obtain an expert consensus on which history factors are most important in the clinical diagnosis of lumbar spinal stenosis (LSS). SUMMARY OF BACKGROUND DATA LSS is a poorly defined clinical syndrome. Criteria for defining LSS are needed and should be informed by the experience of expert(More)
STUDY DESIGN A patient with open posterior dislocation of the lumbosacral junction is reported. OBJECTIVES Treatment with primary anterior open reduction with internal fixation followed by delayed posterior stabilization and fusion. SUMMARY OF BACKGROUND DATA This injury has been reported previously on two occasions; however, anterior stabilization was(More)